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Robur Heaters Line F2 C Series Instructions For Installation, Use And Maintenance Manual

Gas fired unit heaters for heating medium-large areas natural gas/lpg fired
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Installation, use and
maintenance manual
Heaters Line F2 Series C
Gas fired unit heaters
for heating medium-large areas
Natural gas/LPG fired

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Summary of Contents for Robur Heaters Line F2 C Series

  • Page 1 Installation, use and maintenance manual Heaters Line F2 Series C Gas fired unit heaters for heating medium-large areas Natural gas/LPG fired...
  • Page 2 EDITION: 06/2011 Code: D-LBR552 This manual has been written and printed by Robur S.p.A.; the reproduction even partial of this manual is forbidden. The original is archived at Robur S.p.A. Any use of this manual other than for personal consultation must be previously authorised by Robur S.p.A.
  • Page 3 FOREWORD FOREWORD This manual is intended for those people who need to install and use the Robur F2 C Series Gas Fired Unit Heaters. In particular this manual is addressed to the hydraulic installation technician who shall install the generator, the electrical installation technician who shall connect the generator to the power supply and the final user who shall check its normal working.
  • Page 4 Series F2 80 C Meaning of Icons The icons placed on the right margin of the odd pages of this manual have the following meaning: Danger signal Warning Note Start of operating procedure Reference to another part of the manual or to another manual/book Table 1 –...

  • Page 5: Table Of Contents

    TABLE OF CONTENTS TABLE OF CONTENTS SEZIONE 1: GENERAL INFORMATION AND TECHNICAL CHARACTERISTICS..7 1.1 GENERAL WARNINGS ........................7 1.2 OPERATION OF THE UNIT ........................9 1.3 TECHNICAL CHARACTERISTICS....................10 SAFETY AND CONTROL DEVICES ..................10 1.4 TECHNICAL CHARACTERISTICS....................11 1.5 DIMENSIONS OF THE F2 C SERIES GAS FIRED UNIT HEATERS ..........12 SECTION 2: END USER ....................13 2.1 FUNCTIONS OF THE REMOTE CONTROL KEYS ................13 2.2 HOW TO TURN ON AND OFF THE HEATER ..................14...
  • Page 6 Series F2 80 C Ed. 06/2011...

  • Page 7: Sezione 1: General Information And Technical Characteristics

    By the term Qualified Service Engineers it is meant the personnel having specific technical skills in the field of heating system components for civil use. In any case for more information please contact the Technical Assistance Office of ROBUR S.p.A. (tel. +39 035/888111).
  • Page 8 Series F2 80 C that the gas supply pressure is within rating limits. that the gas supply system is suitable to the heater and all safety and check-over devices prescribed by existing standards are duly installed. Do not use gas pipes to ground the appliance, or any other electrical appliances. Avoid unnecessary supply when unit is not in use and always clock the main gas cock.

  • Page 9: Operation Of The Unit

    GENERAL INFORMATION AND TECHNICAL CHARACTERISTICS 1.2 OPERATION OF THE UNIT The F2 C Series gas fired unit heater is an independent heater appliance with airtight combustion circuit and forced air draft. It is designed for an indoor installation - inside the area to be heated. It is adjustable for the use of Natural Gas (G20) and L.P.G.

  • Page 10: Technical Characteristics

    Cylindrical combustion chamber made of stainless steel Heat exchangers, patented by ROBUR, made of special light alloy, fining horizontally on the air side and vertically on the flue side with extremely high capacity of thermal exchange Steel casing painted with epoxy powders Centrifugal fan/s with high air flow capacity.

  • Page 11: Technical Characteristics

    GENERAL INFORMATION AND TECHNICAL CHARACTERISTICS 1.4 TECHNICAL CHARACTERISTICS MODEL U.M. F2 80 C APPLIANCE CATEGORY 2H3B/P APPLIANCE TYPE – C – C FEED GAS Natural Gas - L.P.G. NOMINAL HEAT INPUT NOMINAL HEAT OUTPUT 73.6 NOMINAL GAS CONSUMPTION NATURAL GAS 8,47 (15°...

  • Page 12: Dimensions Of The F2 C Series Gas Fired Unit Heaters

    Series F2 80 C 1.5 DIMENSIONS OF THE F2 C SERIES GAS FIRED UNIT HEATERS Figure 1 – Dimensions of F2 80 C Ed. 06/2011...

  • Page 13: Section 2: End User

    END USER SECTION 2: END USER In this section you can find all the necessary instructions for a correct operation of the F2 C Series gas fired unit heaters. The operation of the F2 C Series gas fired unit heaters are governed by a room thermostat (not supplied but available as accessory) and the remote control provided with the heater (see Figure 2).

  • Page 14: How To Turn On And Off The Heater

    Series F2 80 C 2.2 HOW TO TURN ON AND OFF THE HEATER The heater must be turn on for the first time by qualified service engineers. Before starting the heater, qualified service engineers must check that: x the rating data are compatible with those of the gas and power supply lines; x the calibration is compatible with the heater power;...

  • Page 15: Switching-Off

    END USER SWITCHING-OFF To Have: the heater connected to the gas and power supply lines. 10 - To turn off the heater set the room thermostat to the minimum value. The burner will turn off, while fans will continue to work until the appliance is completely cooled. It is absolutely forbidden to turn off the heater by cutting the power off since this operation can damage the appliance.
  • Page 16 Series F2 80 C Ed. 06/2011...

  • Page 17: Section 3: Plumbing Installer

    By Qualified Service Engineers we mean the personnel with specific technical skills in the field of the heating system components. In any case, if you need more information please contact the Pre-Sale Department of ROBUR S.p.A. (tel. +39 035/888111). An incorrect installation can cause damages to people, animals and property. In case of erroneous installation, the Manufacturer cannot be held responsible for such damages.

  • Page 18: Size And Installation Of The Air Inlet/Flue Exhaust Pipes

    Series F2 80 C L.P.G. (Propane – Butane Mix) For the first pressure drop required in the supply, it is advisable to install a pressure regulator near the liquid gas tank so as to reduce the pressure to 1.5 bar. A pressure regulator for a second pressure drop should be placed near the heater to reduce the pressure from 1.5 bar to 30 mbar (306 mm H O) (allowed tolerance between 20...
  • Page 19 Data to calculate the pressure drop for the air intake/flue exhaust system supplied on request by Robur SpA are in Table 5 and Table 6 at page 20. External terminals pressure drops are negligible since they are very low.
  • Page 20 Table 5 – Data to calculate the pressure drop for the air intake/flue exhaust system with Ø 80 or Ø 100 supplied on request by Robur SpA DATA TO CALCULATE AIR/FLUE SYSTEM WITH PIPES Ø 130 SUPPLIED ON REQUEST BY ROBUR S.P.A. Component pressure drop Ø 130 pipe (Pa/m) elbow 90°...
  • Page 21 Otherwise, you need to calculate the relevant pressure drops For installations with pipes length more than 20 meters we kindly advise to contact pre-sale service of Robur S.p.A. Figure 4 – Installation type C13 with mixing chamber (optional) with separate pipes Ø 110 Ed.06/2011...
  • Page 22 For installations with pipes length more than 20 meters we kindly advise to contact pre-sale service of Robur S.p.A. Figure 5 – Installation type C13 with mixing chamber (optional) with separate pipes Ø 130 INSTALLATION C13 C/AIR PIPE Ø 80 AND FLUE PIPE Ø 110...
  • Page 23 For installations with pipes length more than 20 meters we kindly advise to contact pre-sale service of Robur S.p.A. Figure 7 – Installation type C13 with mixing chamber (optional) with air pipes Ø 80 and flue pipes Ø 130 C33 ROOF COAXIAL INSTALLATION (Cod.
  • Page 24 For installations with pipes length more than 20 meters we kindly advise to contact pre-sale service of Robur S.p.A. Figure 10 – Installation type B23 with mixing chamber (optional) with flue pipes Ø 110 Ed. 06/2011...
  • Page 25 For installations with pipes length more than 20 meters we kindly advise to contact pre-sale service of Robur S.p.A. Figure 11 – Installation type B23 with mixing chamber (optional) with flue pipes Ø 130 B23 INSTALLATION C/ROOF FLUE PIPE Ø 80 MAXIMUM ALLOWED LENGTHS (m) FLUE PIPE Ø...
  • Page 26 For installations with pipes length more than 20 meters we kindly advise to contact pre-sale service of Robur S.p.A. Figure 13 – Installation type B23 with mixing chamber (optional) with roof flue pipes Ø 110 B23 INSTALLATION C/ROOF FLUE PIPE Ø 130 MAXIMUM ALLOWED LENGTHS (m) FLUE PIPE Ø...
  • Page 27 For installations with pipes length more than 20 meters we kindly advise to contact pre-sale service of Robur S.p.A. Figure 15 – Installation type C53 with mixing chamber (optional) with pipes Ø 80 C53 INSTALLATION W/Ø 110 PIPES...
  • Page 28 For installations with pipes length more than 20 meters we kindly advise to contact pre-sale service of Robur S.p.A. Figure 17 – Installation type C53 with mixing chamber (optional) with pipes Ø 130 C53 INSTALLATION C/AIR PIPE Ø 80 AND FLUE PIPE Ø 110...
  • Page 29 For installations with pipes length more than 20 meters we kindly advise to contact pre-sale service of Robur S.p.A. Figure 19 – Installation type C53 with mixing chamber (optional) with air pipe Ø 80 and flue pipe Ø 130...

  • Page 30: Ducting System Pressure Drop For Distribution/Intake Ambient Air

    Series F2 80 C 3.4 DUCTING SYSTEM PRESSURE DROP FOR DISTRIBUTION/INTAKE AMBIENT AIR F2 C gas fired unit heater is equipped with a diam 224mm pulley and n. 1 diam. 200 mm pulley (not mounted). During the installation verify that the sum of the pressure drop of the ducting system for the distribution of the warm air and the pressure drop of the internal/external air intake duct system is between the values indicated in the chart of the Table 7.
  • Page 31 PLUMBING INSTALLER Rapporto portata/prevalenza F2 80 C (senza camera di miscela) Puleggia d-224 5500 6000 6500 7000 7500 8000 8500 9000 Portata Aria (m3/h) Rapporto portata/prevalenza per F2 80 C con camera di miscela Puleggia d-224 Puleggia d-200 5500 6000 6500 7000 7500...
  • Page 32 Series F2 80 C Ed. 06/2011...

  • Page 33: Section 4: Electrical Installation Technician

    ELECTRICAL INSTALLATION TECHNICIAN SECTION 4: ELECTRICAL INSTALLATION TECHNICIAN In this section you can find all the necessary instructions to make the electrical connections for the F2 C Series gas fired unit heaters. 4.1 HOW TO CONNECT THE HEATER TO THE POWER SUPPLY To Have: the heater installed.

  • Page 34: How To Install The Room Thermostat

    Series F2 80 C 4.2 HOW TO INSTALL THE ROOM THERMOSTAT The electrical connections must be made by qualified personnel. Before performing this operation, cut off the electrical supply. To install the room thermostat (available as accessory) proceed as follows: Find the position where to install the room thermostat by trying to place it at 1.5 m approximately from the floor, protected from air currents, direct sunlight exposure, direct heating sources (lamps, hot air flows) and possibly NOT on walls adjacent to...

  • Page 35: How To Install The Remote Control Box

    ELECTRICAL INSTALLATION TECHNICIAN 4.3 HOW TO INSTALL THE REMOTE CONTROL BOX The electrical connections must be made by qualified personnel. Before performing this operation, cut off the electrical supply. To install the remote control box proceed as follows: Fix the control box in the desired position(maximum distance 200 metres from the gas unit heater) by means of expansion bolts.
  • Page 36 Series F2 80 C Installation wiring diagram Figure 22 – Installation wiring diagram of F2 C series heaters Ed. 06/2011...
  • Page 37 SUMMER PROGRAMMABLE TIMER WINTER PROGRAMMABLE TIMER SUMMER/WINTER SWITCH R1-3 RELÈ FOR THE WINTER FUNCTIONING OF THE HEATERS R1’-3’ RELÈ FOR THE SUMMER FUNCTIONING OF THE HEATERS T. A. AMBIENT THERMOSTAT ATTENTION Each heater must be connected to its remote control box...
  • Page 38 SUMMER PROGRAMMABLE TIMER WINTER PROGRAMMABLE TIMER SUMMER/WINTER SWITCH R1-3 RELÈ FOR THE WINTER FUNCTIONING OF THE HEATERS R1’-3’ RELÈ FOR THE SUMMER FUNCTIONING OF THE HEATERS T.A. AMBIENT THERMOSTAT ATTENTION Each heater must be connected to its remote control box...

  • Page 39: Section 5: Maintenance And Servicing

    The gas valve adjustment must be performed by qualified personnel. To this regard, ROBUR S.p.A. can dispose of a network of Assistance Centres which can be reached through the point of sale, the local agent or by calling directly the Customer Assistance of ROBUR S.p.A.

  • Page 40: How To Replace The Gas

    Series F2 80 C PRESSURE CONNECTOR FOR OFF-SET ADJUSTMENT GAS SUPPLY PRESSURE CONNECTOR OFF SET CONNECTOR Figure 25 – Sit 822 Novamix VALVE Verify that the CO percentage matches the value indicated in Table 4 at page 20. Otherwise, readjust the off-set, which in any case MUST never be higher than the maximum off-set value (see Table 8) or lower than the minimum off-set value (see Table 8), until the CO percentage is equal to the value specified in Table 4 at page...
  • Page 41 MAINTENANCE AND SERVICING Replace the label applied to the heater showing the type of gas for which the unit is set with the other one indicating the type of gas actually used. NATURAL GAS AND L.P.G. NOZZLES F2 80 10,30 Natural Gas (G20) diameter (mm) printed code...

  • Page 42: Maintenance

    Series F2 80 C 5.3 MAINTENANCE An accurate maintenance is always source of saving and safety. Maintenance for heating units must be done, preferably at the beginning of winter, by qualified service engineers. To ensure a correct and continuous operation it is recommended to carry out, at least once a year, a general cleaning of the appliance (by paying particular attention to clean heat exchangers and fan grids) e the combustion tests in conformity with specific regulations on the matter.

  • Page 43: Faults And Solutions

    MAINTENANCE AND SERVICING 5.5 FAULTS AND SOLUTIONS Before performing particular tests, make sure that: The power supply is connected: 230 V ± 10% 50 Hz and the appliance is properly grounded. The gas supply is connected. Pressures and flow rates are within the predefined limits. An insufficient gas supply corresponds to a pressure value lower than that indicated by the Manufacturer.
  • Page 44 Series F2 80 C LED SIGNAL FAULT DESCRIPTION CAUSES ACTIONS REQUIRED The ignition electrodes are broken Reposition or replace or badly positioned electrodes The sensing electrode is broken or Reposition or replace the badly positioned or touches the electrode metal casing of the appliance. Electronic control board or its Replace the board electrical connections damaged...
  • Page 46 Robur is dedicated to dynamic progression in research, devepment and promotion of safe, environmentally-friendly, energy-efficiency products, through the commitment and caring of its employees and partners. Robur Mission Robur Spa advanced heating and cooling technologies Via Parigi 4/6 24040 Verdellino/Zingonia (Bg) Italy T +39 035 888111 F +39 035 4821334 www.robur.com...

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